Piezoelectric Fuel Injectors, Checking

There are 4 ways to check the injectors.

• Refer to PIEZOELECTRIC FUEL INJECTOR QUANTITY AND PRESSURE CALIBRATION, PERFORMING AN ADAPTATION .
• Refer to OPEN FUEL INJECTORS, CHECKING .
• Refer to PIEZOELECTRIC FUEL INJECTORS, CHECKING RETURN QUANTITY WITH ENGINE RUNNING .
• Refer to PIEZOELECTRIC FUEL INJECTORS, CHECKING RETURN QUANTITY AT STARTING SPEED .

Perform the following tests first if the vehicle is not starting:

• Refer to OPEN FUEL INJECTORS, CHECKING 
• Refer to PIEZOELECTRIC FUEL INJECTORS, CHECKING RETURN QUANTITY AT STARTING SPEED 
• Refer to Fuel Pressure Regulator Valve -N276-, CHECKING